cview/demos/basic.go

107 lines
2.8 KiB
Go

package main
import (
"fmt"
"io"
"net/http"
"github.com/gdamore/tcell"
"github.com/rivo/tview"
)
func main() {
app := tview.NewApplication()
pages := tview.NewPages()
var list *tview.List
form := tview.NewForm().
AddInputField("First name", "", 20, nil).
AddInputField("Last name", "", 20, nil).
AddInputField("Age", "", 4, nil).
AddDropDown("Select", []string{"One", "Two", "Three"}, 1, func(text string, index int) {
if text == "Three" {
app.Stop()
}
}).
AddCheckbox("Check", false, nil).
AddButton("Save", func() {
previous := app.GetFocus()
modal := tview.NewModal().
SetText("Would you really like to save this customer to the database?").
AddButtons([]string{"Save", "Cancel"}).
SetDoneFunc(func(buttonIndex int, buttonLabel string) {
pages.RemovePage("confirm")
app.SetFocus(previous)
app.Draw()
})
pages.AddPage("confirm", modal, true)
app.SetFocus(modal)
app.Draw()
}).
AddButton("Cancel", nil).
AddButton("Go to list", func() { app.SetFocus(list) }).
SetCancelFunc(func() {
app.Stop()
})
form.SetTitle("Customer").SetBorder(true)
textView := tview.NewTextView().
SetWrap(false).
SetDynamicColors(false).
SetChangedFunc(func() { app.Draw() }).
SetDoneFunc(func(key tcell.Key) { app.SetFocus(list) })
textView.SetBorder(true).SetTitle("Text view")
go func() {
url := "https://www.rentafounder.com"
fmt.Fprintf(textView, "Reading from: %s\n\n", url)
resp, err := http.Get(url)
if err != nil {
fmt.Fprint(textView, err)
return
}
defer resp.Body.Close()
n, err := io.Copy(textView, resp.Body)
if err != nil {
fmt.Fprint(textView, err)
}
fmt.Fprintf(textView, "\n\n%d bytes read", n)
}()
list = tview.NewList().
AddItem("Edit a form", "You can do whatever you want", 'e', func() { app.SetFocus(form) }).
AddItem("Navigate text", "Try all the navigations", 't', func() { app.SetFocus(textView) }).
AddItem("Quit the program", "Do it!", 0, func() { app.Stop() })
frame := tview.NewFrame(list).AddText("Choose!", true, tview.AlignCenter, tcell.ColorRed)
frame.SetBorder(true)
flex := tview.NewFlex().
AddItem(form, 0).
AddItem(tview.NewFlex().
SetDirection(tview.FlexRow).
AddItem(frame, 0).
AddItem(textView, 0), 0).
AddItem(tview.NewBox().SetBorder(true).SetTitle("Fourth"), 0).
AddItem(tview.NewBox().SetBorder(true).SetTitle("Fifth"), 20)
inputField := tview.NewInputField().
SetLabel("Type something: ").
SetFieldLength(10).
SetAcceptanceFunc(tview.InputFieldFloat)
inputField.SetBorder(true).SetTitle("Type!")
final := tview.NewFlex().
SetFullScreen(true).
SetDirection(tview.FlexRow).
AddItem(flex, 0).
AddItem(inputField, 3)
pages.AddPage("flex", final, true)
app.SetRoot(pages, false).SetFocus(list)
if err := app.Run(); err != nil {
panic(err)
}
}